201303313 has 8 divisors (see below), whose sum is σ = 202948200. Its totient is φ = 199664640.

The previous prime is 201303299. The next prime is 201303329. The reversal of 201303313 is 313303102.

It can be written as a sum of positive squares in 4 ways, for example, as 2408704 + 198894609 = 1552^2 + 14103^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201303313 - 2⁵ = 201303281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201303343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80031 + ... + 82507.

It is an arithmetic number, because the mean of its divisors is an integer number (25368525).

Almost surely, 2^201303313 is an apocalyptic number.

It is an amenable number.

201303313 is a deficient number, since it is larger than the sum of its proper divisors (1644887).

201303313 is a wasteful number, since it uses less digits than its factorization.

201303313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3107.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 201303313 is about 14188.1398710331. The cubic root of 201303313 is about 586.0711016942.

Adding to 201303313 its reverse (313303102), we get a palindrome (514606415).

The spelling of 201303313 in words is "two hundred one million, three hundred three thousand, three hundred thirteen".